Name

GetWindowLong

Synopsis

Returns the specified information about a window: 

Public Declare Function GetWindowLong Lib "user32" _
		Alias "GetWindowLongA" _
		(ByVal hwnd As Long, ByVal nIndex As Long) As Long

Parameters

hwnd

A window handle.

nIndex

A constant that determines the type of value that this function will return. The GWL_HINSTANCE constant (or -6) must be provided to the nIndex parameter to return the application’s instance handle.

Return Value

If successful, returns the value requested. Otherwise, returns a zero.

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